1. Consider the n-input logic gate shown below that operate with the following voltage thresholds: VOL = 1V,VL = 1.3V, Voh = 4V and VIh = 3.5V. Assume Vpp = 5V,R = 100k, VTh = 1.5V and %3D %3D k = 0.5mA. v2 Vdd A1 A2 АЗ An M1 M2 M3 Mn Find Z if all inputs are equal to the maximum input voltage that is considered logic low. (i.e., A1=A2=A3=...=An=Vjµ) b. Solve for Rds,on of M1 at the minimum input voltage that is considered logic high. (i.e., A1=Vgs=VjH) c. Assuming Rds,on is the same for all MOSFETS, solve for the maximum value of n that will satisfy VoL (i.e., z < Vol) when all inputs are equal to VIH. a.

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1. Consider the n-input logic gate shown below that operate with the following voltage thresholds:
VoL = 1V,VL = 1.3V, VOH = 4V and VIH = 3.5V. Assume Vpp = 5V, R = 100k, VrH = 1.5V and
%3D
k = 0.5-
Vdd
А1
A2
АЗ
An
R
M1
M2
M3
Mn
Find Z if all inputs are equal to the maximum input voltage that is considered logic low. (i.e.,
A1=A2=A3=...=An=V1L)
а.
b. Solve for Rds,on of M1 at the minimum input voltage that is considered logic high. (i.e.,
A1=Vgs=VIH)
c. Assuming Rds,on is the same for all MOSFETS, solve for the maximum value of n that will
satisfy VoL (i.e., Z< VoL) when all inputs are equal to VIH.
Transcribed Image Text:1. Consider the n-input logic gate shown below that operate with the following voltage thresholds: VoL = 1V,VL = 1.3V, VOH = 4V and VIH = 3.5V. Assume Vpp = 5V, R = 100k, VrH = 1.5V and %3D k = 0.5- Vdd А1 A2 АЗ An R M1 M2 M3 Mn Find Z if all inputs are equal to the maximum input voltage that is considered logic low. (i.e., A1=A2=A3=...=An=V1L) а. b. Solve for Rds,on of M1 at the minimum input voltage that is considered logic high. (i.e., A1=Vgs=VIH) c. Assuming Rds,on is the same for all MOSFETS, solve for the maximum value of n that will satisfy VoL (i.e., Z< VoL) when all inputs are equal to VIH.
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